FAIR VALUE MEASUREMENTS - Schedule of Fair Value of Derivative Instruments and Loans Held for Sale (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Derivative notional amount and balance sheet location
Estimated Gain on Sale	$ 31,191	$ 24,591
Total Fair Value Adjustment	31,191	24,591
Derivative Assets	$ 27,216	$ 30,175
Derivative Asset, Statement of Financial Position	Other assets	Other assets
Derivative Liabilities	$ (1,718)	$ (915)
Derivative Liability, Statement of Financial Position	Other liabilities	Other liabilities
Fair Value Adjustment	$ 5,693	$ (4,669)
Undesignated derivatives
Derivative notional amount and balance sheet location
Estimated Gain on Sale	31,191
Total Fair Value Adjustment	31,191
Derivative Assets	26,289
Derivative Liabilities	(1,718)
Fair Value Adjustment	6,620
Designated derivatives
Derivative notional amount and balance sheet location
Derivative Assets	927
Fair Value Adjustment	(927)
Interest Rate Swaps | Designated derivatives
Derivative notional amount and balance sheet location
Notional Amount	400,000
Interest Rate Movement	927
Total Fair Value Adjustment	927
Derivative Assets	927
Rate lock commitments
Derivative notional amount and balance sheet location
Notional Amount		472,905
Estimated Gain on Sale		19,968
Interest Rate Movement		(5,338)
Total Fair Value Adjustment		14,630
Derivative Assets		14,930
Derivative Liabilities		(300)
Rate lock commitments | Undesignated derivatives
Derivative notional amount and balance sheet location
Notional Amount	374,384
Estimated Gain on Sale	18,673
Interest Rate Movement	(1,546)
Total Fair Value Adjustment	17,127
Derivative Assets	17,608
Derivative Liabilities	(481)
Forward sale contracts
Derivative notional amount and balance sheet location
Notional Amount		1,258,323
Interest Rate Movement		14,630
Total Fair Value Adjustment		14,630
Derivative Assets		15,245
Derivative Liabilities		(615)
Forward sale contracts | Undesignated derivatives
Derivative notional amount and balance sheet location
Notional Amount	1,804,114
Interest Rate Movement	7,444
Total Fair Value Adjustment	7,444
Derivative Assets	8,681
Derivative Liabilities	(1,237)
Loans held for sale
Derivative notional amount and balance sheet location
Notional Amount		785,418
Estimated Gain on Sale		4,623
Interest Rate Movement		(9,292)
Total Fair Value Adjustment		(4,669)
Fair Value Adjustment		$ (4,669)
Loans held for sale | Undesignated derivatives
Derivative notional amount and balance sheet location
Notional Amount	1,429,730
Estimated Gain on Sale	12,518
Interest Rate Movement	(5,898)
Total Fair Value Adjustment	6,620
Fair Value Adjustment	6,620
Senior Notes | Designated derivatives
Derivative notional amount and balance sheet location
Notional Amount	400,000
Interest Rate Movement	(927)
Total Fair Value Adjustment	(927)
Fair Value Adjustment	$ (927)